TM 1-1520-238-T-696129315. OPEN  EXISTS BETWEEN P1-1 AND P1-8 OR A SHORT EXISTS BETWEEN 9315P1-1 AND GROUNDTools:NomenclaturePartNumberTool Kit, ElectricalSC518099CLA06RepairersMultimeter, DigitalAN/PSM-45Personnel Required:68XArmament/Electrical Systems RepairerReferences:TM 1-1520-238-23WARNINGTurn off power before detaching orattaching wires and connectors. Highcurrent 28 VDC or 115 VAC is present.Failure to do so could result in death orserious injury.1. On pilot forward circuit breaker panel, closeMISSION RDR JAM DCcircuit breaker (CB72).Check for short between P1-8 and ground.Does short exist?YESGo to step 2.NOGo to step 4.2. Detach wire at CB72-1. Check for short betweenP1-8 and ground.Does short exist?YESRepair shorted wire betweenP1-8 and CB72-1.Go to paragraph 9312.NOGo to step 3.3. Detach wire at CB72-2. Check for short betweenP1-1 and ground.Does short exist?YESRepair shorted wire betweenP1-1 and CB72-2.Go to paragraph 9312.NOReplace MISSION RDR JAMDCcircuit breaker (CB72)(TM 1-1520-238-23).4. Check for open between:CB72-1 and P1-8,CB72-2 and P1-1.Does open exist?YESRepair open wire.Go to paragraph 9312.NOReplace MISSION RDR JAMDCcircuit breaker (CB72)(TM 1-1520-238-23).END OF TASK